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2025-11-19 - 02:10
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Wed Nov 19, 2025 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21469216696,7sleep00-21swapper/019:05:190
26209213980,8sleep20-21swapper/219:09:062
26188211575,7sleep10-21swapper/119:08:491
26014210999,7sleep30-21swapper/319:06:353
188252700,0sleep00-21swapper/021:44:260
74892660,1sleep120-21rcuc/123:10:011
261252620,0sleep20-21swapper/222:16:022
277782580,1sleep30-21swapper/321:47:383
172622580,0sleep30-21swapper/323:14:193
223892550,0sleep20-21swapper/223:30:202
176592540,0sleep30-21swapper/322:59:333
12992540,0sleep30-21swapper/319:40:183
2645699310,30cyclictest0-21swapper/222:44:422
2645299280,26cyclictest0-21swapper/122:27:411
26452992723,3cyclictest0-21swapper/123:01:381
2645299270,26cyclictest0-21swapper/122:00:431
2645299270,26cyclictest0-21swapper/119:40:511
2645299270,26cyclictest0-21swapper/119:12:331
2645299270,26cyclictest0-21swapper/100:04:181
26456992622,3cyclictest0-21swapper/221:11:042
2645699260,25cyclictest0-21swapper/220:44:462
2645699260,25cyclictest0-21swapper/220:44:452
2645699260,25cyclictest0-21swapper/220:32:152
2645299266,19cyclictest0-21swapper/122:15:231
26452992618,7cyclictest0-21swapper/123:35:331
2645299260,25cyclictest0-21swapper/123:25:001
2645299260,25cyclictest0-21swapper/123:13:411
2645299260,25cyclictest0-21swapper/122:12:531
2645299260,25cyclictest0-21swapper/122:08:161
2645299260,25cyclictest0-21swapper/121:07:581
2645299260,25cyclictest0-21swapper/119:18:051
2645299260,25cyclictest0-21swapper/100:37:131
2645299260,25cyclictest0-21swapper/100:17:091
2645699250,23cyclictest4994-21ssh23:23:032
26452992521,3cyclictest0-21swapper/120:18:061
2645299250,24cyclictest0-21swapper/121:37:491
2645299250,24cyclictest0-21swapper/120:55:311
2645299250,24cyclictest0-21swapper/119:57:151
26447992516,8cyclictest0-21swapper/000:16:050
2644799250,17cyclictest0-21swapper/021:25:140
1710122515,2sleep30-21swapper/320:46:523
2645699242,21cyclictest0-21swapper/223:56:212
26456992420,3cyclictest0-21swapper/223:15:092
2645699240,23cyclictest0-21swapper/223:05:102
2645699240,23cyclictest0-21swapper/222:45:502
2645699240,23cyclictest0-21swapper/219:32:032
26452992417,7cyclictest0-21swapper/122:46:141
2645299241,22cyclictest0-21swapper/122:30:561
2645299241,22cyclictest0-21swapper/121:16:241
2645299240,23cyclictest0-21swapper/100:08:341
2645299240,18cyclictest0-21swapper/121:14:171
26447992415,8cyclictest0-21swapper/022:05:010
2644799240,23cyclictest0-21swapper/023:12:220
2644799240,23cyclictest0-21swapper/022:52:210
2644799240,23cyclictest0-21swapper/021:46:400
2644799240,23cyclictest0-21swapper/021:38:140
2644799240,23cyclictest0-21swapper/021:16:280
2644799240,23cyclictest0-21swapper/000:08:250
26456992317,6cyclictest0-21swapper/223:13:242
26456992317,6cyclictest0-21swapper/220:16:572
26456992316,6cyclictest0-21swapper/223:36:302
26456992316,6cyclictest0-21swapper/200:07:222
2645699231,21cyclictest0-21swapper/222:20:472
2645699231,21cyclictest0-21swapper/220:50:182
26456992311,3cyclictest0-21swapper/223:04:072
2645699230,22cyclictest0-21swapper/222:37:122
2645699230,22cyclictest0-21swapper/222:33:532
2645699230,22cyclictest0-21swapper/222:25:102
2645699230,17cyclictest0-21swapper/221:45:002
2645299231,21cyclictest0-21swapper/121:25:461
2645299231,21cyclictest0-21swapper/100:32:131
2645299230,22cyclictest0-21swapper/123:43:021
2645299230,22cyclictest0-21swapper/122:59:291
2645299230,22cyclictest0-21swapper/122:54:141
2645299230,22cyclictest0-21swapper/122:36:321
2645299230,22cyclictest0-21swapper/121:21:241
2645299230,21cyclictest0-21swapper/100:23:111
2645299230,18cyclictest0-21swapper/120:00:351
2644799236,16cyclictest0-21swapper/000:30:100
2644799232,20cyclictest0-21swapper/022:58:490
2644799232,20cyclictest0-21swapper/022:14:450
26447992315,7cyclictest0-21swapper/022:36:590
26447992315,6cyclictest0-21swapper/022:00:460
2644799231,21cyclictest0-21swapper/000:21:390
2644799230,22cyclictest0-21swapper/022:48:410
2644799230,22cyclictest0-21swapper/022:42:490
2644799230,22cyclictest0-21swapper/021:20:330
2644799230,17cyclictest0-21swapper/023:56:020
2644799230,17cyclictest0-21swapper/023:49:260
2644799230,17cyclictest0-21swapper/023:49:260
2645699222,14cyclictest0-21swapper/221:54:532
26456992218,3cyclictest0-21swapper/219:29:352
2645699221,20cyclictest0-21swapper/223:49:132
2645699221,20cyclictest0-21swapper/223:49:132
2645699221,19cyclictest0-21swapper/221:15:162
2645699220,21cyclictest0-21swapper/223:26:402
2645699220,21cyclictest0-21swapper/222:55:132
2645699220,21cyclictest0-21swapper/222:11:562
2645699220,21cyclictest0-21swapper/221:58:012
2645699220,21cyclictest0-21swapper/221:28:062
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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